The first Warriors Orochi (Musou Orochi) game featured characters from the Dynasty Warriors and Samurai Warriors franchises when it shipped in 2007 for PlayStation 2 and Xbox 360.
Warriors Orochi 3 (Musou Orochi 2 due to a renumbering change in the West) debuted in 2011 for PlayStation 3 and Xbox 360, and the Warriors Orochi 3 Ultimate update shipped for PS3 and PS Vita in Japan in September 2013.
KOEI Tecmo announced at the “Omega-Force 20th Live” event on Saturday that it will release the Warriors Orochi 4 (Musou Orochi 3) game this year.
Warriors Orochi 3 Ultimate added characters from the Dead or Alive, Ninja Gaiden, Soul Calibur and Atelier series, among others, for a total of more than 142 playable characters.